Accumulation bin



FIG. 1 is a bottom perspective view of an accumulation bin exemplary of an embodiment of the design;

FIG. 2 is a rear perspective view of the accumulation bin of FIG. 1;

FIG. 3 is a left-hand side elevational view of the accumulation bin of FIG. 1;

FIG. 4 is a front elevational view of the accumulation bin of FIG. 1;

FIG. 5 is a right-hand side elevational view of the accumulation bin of FIG. 1;

FIG. 6 is a rear elevational view of the accumulation bin of FIG. 1.

FIG. 7 is a top plan view of the accumulation bin of FIG. 1; and,

FIG. 8 is a bottom plan view of the accumulation bin of FIG. 1. 

The ornamental design for an accumulation bin, as shown and described. 